1 files changed, 16 insertions, 0 deletions
diff --git a/script.it/shapes/matrix/Helpers.ml b/script.it/shapes/matrix/Helpers.ml
new file mode 100755
index 0000000..6980052
--- /dev/null
+++ b/script.it/shapes/matrix/Helpers.ml
@@ -0,0 +1,16 @@
+(* Takes in a string and a separator, and separates the string into a list of
+ * substrings where each substring is between two separators or between a
+ * separator and the beginning/end of the string *)
+let explode (s: string) (space: string) : string list =
+  let rec build (curr: string) (buffer: string) (lst: string list) : string list =
+    let len = String.length curr in
+    if len = 0 then buffer::lst
+    else 
+      let c = String.sub curr (len - 1) 1 in
+      if len = 1 then (c ^ buffer)::lst
+      else 
+        let s' = String.sub curr 0 (len - 1) in
+        if c = space then build s' "" (buffer::lst)
+        else build s' (c ^ buffer) lst in
+  build (String.trim s) "" []
+